code: def test_dataloader(self):
      dataset = Dataset(data=self.datalist, transform=self.transform)
      dataloader = ThreadDataLoader(
          dataset=dataset, batch_size=2, num_workers=0
      )
  
      for d in dataloader:
          self.assertEqual(d["image"][0], "spleen_19.nii.gz")
          self.assertEqual(d["image"][1], "spleen_31.nii.gz")
  
      for d in dataloader:
          self.assertEqual(d["label"][0], "spleen_label_19.nii.gz")
          self.assertEqual(d["label"][1], "spleen_label_31.nii.gz")
  
file_path: MONAI/tests/test_thread_buffer.py
imports: from __future__ import annotations
  import sys
  import time
  import unittest
  import torch
  from monai.data import DataLoader, Dataset, ThreadBuffer, ThreadDataLoader
  from monai.transforms import Compose, SimulateDelayd
  from monai.utils import PerfContext, set_determinism
  from tests.utils import assert_allclose
label_desc: Use image node_id 3 for calling the TestDataLoader obj's underlying member method code with example usage: obj.test_dataloader() without return types